dovecot - Sep 2010 - service(imap-login): chiled ... killed with signal 11

Hi,

dovecot 2.0.3
After closing the imap(s) connection dovecot crashes:

imap-login: Info: Aborted login (no auth attempts): rip=... lip=... mpid=0
master: Error: service(imap-login): child 18636 killed with signal 11 
(core not dumped - set service imap-login { drop_priv_before_exec=yes })
  master: Warning: Killed with signal 15 (by pid=18643 uid=0 code=kill)

It also happens if I only telnet to the imap(s) port and give the only 
command "1 logout".

How can I get a dump for backtracing? With drop_priv_before_exec=yes I 
get a config error:
doveconf: Fatal: Error in configuration file 
/usr/dovecot/etc/dovecot/dovecot.conf: service(imap-login): 
drop_priv_before_exec=yes can't be used with chroot

As user I can login and work normaly but I have to reconnect after a 
differnet connection will be closed causing a dovecot crash.


Additional information:
Solaris 10, packages openssl, openldap by opencsw

I had seen a similar error during login process already with an 
rc-version. Because opencsw offers only an older version of openssl I 
installed current versions of openssl and openldap, So it works again.
Now both packaged are up to date at opencsw. So I would like using these 
packages again when I install dovecot.
Any hints?

-- 
Mit freundlichen Gruessen --- Burckhard Schmidt

On Wed, 2010-09-22 at 18:15 +0200, Burckhard Schmidt wrote:
> It also happens if I only telnet to the imap(s) port and give the only 
> command "1 logout".
Then it should be easy:

1. telnet localhost 143
2. gdb .../dovecot/imap-login <pid of imap-login process>
cont
3. logout to make it crash
4. gdb: bt full
> How can I get a dump for backtracing? With drop_priv_before_exec=yes I 
> get a config error:
> doveconf: Fatal: Error in configuration file 
> /usr/dovecot/etc/dovecot/dovecot.conf: service(imap-login): 
> drop_priv_before_exec=yes can't be used with chroot
You need to also set inside the service "chroot=" to disable
chrooting.
Also for imap-login to produce core files you need to set "executable
imap-login -D".

On Thu, 2010-09-23 at 08:55 +0200, Burckhard Schmidt wrote:
> #1  0xfecd750c in free () from /lib/libc.so.1
> No symbol table info available.
> #2  0xfefc145c in CRYPTO_free () from /opt/csw/lib/libcrypto.so.0.9.8
> No symbol table info available.
> #3  0xff04a13c in sk_free () from /opt/csw/lib/libcrypto.so.0.9.8
> No symbol table info available.
> #4  0xff153bf0 in SSL_CTX_free () from /opt/csw/lib/libssl.so.0.9.8
My guess: You have an old and buggy OpenSSL library. I remember someone
else also had a similar (same?) problem that went away when upgrading
OpenSSL.